CN210597137U - Fiber reinforced composite material guardrail - Google Patents

Abstract

The application discloses fibre reinforced composite guardrail belongs to safety device technical field such as the road extension or lie in the continuity guardrail between the lane that is used for making the vehicle that traveles slow down reverse direction or stop traveling on road railway or bridge auxiliary engineering. Including stand one, stand two, guard band and coupling assembling, its characterized in that: the protective belt comprises a lantern ring, a sleeve knot and a protective belt main body, the lantern ring is of an annular structure and is located at the end of the protective belt, the lantern ring is sleeved between the first upright post and the second upright post, a connecting assembly is arranged on the protective belt main body, and the connecting assembly comprises a fixing plate and a clamping rod. This application simple structure, the installation is quick, convenient, and the vehicle that the hedge collided and come has the guide effect, prevents that it from drifting into other lanes, has advantages such as the quality is light, flame retardant efficiency is good, ultraviolet resistance, buffering energy-absorbing are effectual, longe-lived.

Description

Fiber reinforced composite material guardrail

Technical Field

The application relates to a fiber reinforced composite guardrail, belonging to the technical field of safety devices such as continuous guardrails which extend along a road or are positioned between lanes and are used for enabling a running vehicle to decelerate and reverse or stop running on a road railway or a bridge auxiliary project.

Background

Traditional highway guardrail often adopts steel guardrail board bolted connection structure on the guardrail stand, and steel guardrail board exists that the energy-absorbing effect is not good, and when the vehicle was hit, based on the reaction effect of power, the vehicle can be the reflective state and rush into other lanes, not only influences other lane normal motion, and the crashworthiness is poor, self weight is heavier, and numerous shortcomings such as production cost of transportation is big will be replaced by novel material gradually.

If the notice number is CN207760769U, it adopts to install the anti-blocking block on the stand column, the protective belt is fixed after bending around the anti-blocking block, in this structure, the anti-blocking block is a special-shaped mechanism, the production difficulty is large, the worker installation is also relatively inconvenient, and in the actual vehicle accident crash, the protective belt can receive a great impact force, because of the difference of the stress points, the protective belt is easy to generate the condition of shifting up and down on the stand column, at this moment, the protective belt is easy to break away from the position of the anti-blocking block, the protective effect of the protective belt will be seriously affected, the protective belt is in the natural environment, the tensile force change caused by natural deformation can also cause the protective belt to naturally slide down and stack together, the protective area is reduced and the anti-blocking block is exposed, the anti-blocking block is a large steel component, the exposure of the anti-blocking block is easy to cause great damage to the crashing vehicle, and certain.

SUMMERY OF THE UTILITY MODEL

The utility model provides a purpose is to overcome above-mentioned prior art not enough, provides a fiber reinforced composite guardrail, not only effectively overcomes fly-out, the whipping phenomenon that traditional steel sheet rail guard caused, has effectively improved the holistic crashproof effect of rail guard still.

In order to achieve the purpose, the following technical scheme is adopted in the application:

a fiber reinforced composite material guardrail comprises a first upright post, a second upright post, a protective belt and a connecting assembly, wherein the protective belt comprises a lantern ring, a hitch and a protective belt main body, the lantern ring is of an annular structure and is positioned at the end part of the protective belt, the lantern ring is sleeved between the first upright post and the second upright post, and the distance between the first upright post and the second upright post is not less than 2 m; the sleeve joint is positioned between the protective belt main body and the sleeve ring; be provided with coupling assembling in the guard band main part, coupling assembling includes fixed plate and clamping rod, and clamping rod includes long end and short-end, and the short-end lock is on the fixed plate, and long-end is fixed on the fixed plate, and the guard band main part centre gripping is between clamping rod and fixed plate.

According to the protective guard, the upright posts are arranged into the first upright post and the second upright post, the end parts of the protective belts are arranged into the complete ring structure, and the complete ring structure is directly sleeved between the first upright post and the second upright post, so that the installation is convenient, the flexibility of the integral structure of the end parts of the protective guard is improved, the protective guard serves as an accident-prone area, and the direct collision probability of a vehicle and the upright posts is reduced; the special structure of the connecting assembly is arranged to endow the protective belt with semi-movable connection with the upright column, namely, both ends of the clamping rod are connected with the fixing plate during non-strong collision, and the protective belt is positioned between the clamping rod and the fixing plate and is in a fastening state at the moment; when receiving violent impact, the one end clamping rod that the lock is connected breaks away from with the fixed plate, for the deformation of guard band provides bigger space, plays the guide vehicle and removes along the guard band (rather than be the emergence of other lanes of recoil of reflection direction), avoids the vehicle drift, the emergence of departure phenomenon, the security is higher.

On the basis of the scheme, the applicant further researches the clamping rod and determines that a preferable clamping rod structure is as follows: the clamping rod comprises a buckling section, a clamping section and a fixing section which are connected in sequence, the clamping section is connected between the buckling section and the fixing section, the buckling section is movably connected with the fixing plate in a buckling mode, and the fixing section is fixedly connected with the fixing plate. The clamping section can be connected to the end parts of the buckling section and the fixing section (the clamping rod is of an L-shaped structure at the moment), and can also be connected to a certain point on the buckling section and the fixing section (the clamping rod is of an H-shaped structure at the moment), the clamping rod is endowed with semi-movable installation through the arrangement of the characteristic structure, and the connection of different positions of the clamping section can also meet the installation of protective belts with different thicknesses.

On the basis of the scheme, the applicant further studies the arrangement of the connecting assembly, and determines a preferable arrangement mode of the connecting assembly as follows: at least more than two connecting components are arranged along the length direction of the protective belt main body.

On the basis of the scheme, the applicant further studies the first upright post and the second upright post, and determines that the preferable arrangement of the first upright post and the second upright post is as follows: and grid grooves are respectively formed in the first upright post and the second upright post, and the depth of each grid groove is greater than the thickness of the protective belt. More preferably, be provided with on the stand lateral wall and separate the dish down, go up the partition dish, separate the dish down and stand between the two forms the check groove, and the downside is provided with about the protecting band, and upper and lower partition dish constitutes the check groove, enables the protecting band and can effectively fix a position at fixed position, prevents that the protecting band from gliding naturally on the stand or drunkenness from top to bottom when receiving the striking and lead to the not good problem of anticollision effect.

On the basis of the scheme, the applicant further studies the distance between the first upright post and the second upright post, and determines the preferable distance setting of the first upright post and the second upright post as follows: the distance between the first upright post and the second upright post is 2-4 m. The distance between the first upright post and the second upright post is controlled on the premise of the installation stability of the integral protective guard, so that the column density is effectively reduced, and the rigid direct impact between a vehicle and the upright posts is reduced.

On the basis of the above scheme, the applicant further studied the number of guard bands and determined that the more preferable arrangement of guard bands is as follows: at least more than three groups of protective belts are arranged along the height direction of the upright post.

The protective belt comprises a fiber inner core and a protective sleeve coated outside the fiber inner core. More preferably, the protective sheath comprises a PVC resin as a main component. The protective sheath outer wall is equipped with a plurality of beads along protective band length direction. The fiber inner core is formed by tiling or weaving a plurality of fibers along the length direction of the protective belt. The protective belt of this structure simple structure, the installation is quick, convenient, and the protective belt is made for novel material, and concrete quality is light, flame retardant efficiency is good, ultraviolet resistance, buffering energy-absorbing are effectual, advantage such as longe-lived.

On the basis of the above research, we also provide an alternative: a fiber reinforced composite material guardrail comprises a first upright post, a second upright post, a protective belt and a connecting assembly, wherein a lantern ring is arranged at one end, facing the first upright post, of the protective belt, the lantern ring is sleeved on the first upright post, the connecting assembly is arranged on the protective belt between the lantern ring and the second upright post, the connecting assembly comprises a fixing plate and a clamping rod, the clamping rod comprises a long end and a short end, the short end is buckled with the fixing plate and is installed, the long end is fixedly connected with the fixing plate, and a protective belt main body is clamped between the clamping rod and the fixing plate; the distance between the first upright post and the second upright post is not less than 2 m; and a buckling rod is arranged on the second stand column, one end of the buckling rod is movably buckled on the second stand column, the other end of the buckling rod is fixed on the second stand column, and a buckling cavity for accommodating the protective belt is formed between the buckling rod and the second stand column.

The fixed ends of the buckling rod and the second upright column penetrate through the second upright column, a seat cap is arranged at the top of the second upright column, a hook is arranged between the seat cap and the buckling rod located in the second upright column, one end of the hook is fixed with the seat cap, and the other end of the hook is hung and buckled on the buckling rod.

The protective belt comprises a fiber inner core and a protective sleeve coated outside the fiber inner core; the fiber inner core is formed by tiling or weaving a plurality of fibers along the length direction of the protective belt; the main component of the protective sleeve is PVC resin. The protective sheath outer wall is equipped with a plurality of beads along protective band length direction.

Drawings

FIG. 1 is a front view of one of the structures of the present application;

FIG. 2 is a view of a fixation plate of the present application;

FIG. 3 is a clamping bar view of the present application;

FIG. 4 is a first partial structural cross-sectional view of the guard band of the present application;

FIG. 5 is a second partial structural cross-sectional view of the guard band of the present application;

FIG. 6 is a third partial structural cross-sectional view of the guard band of the present application;

fig. 7 is a graph illustrating the effect of the guard rail of the present application on the use of a conventional steel guard rail;

FIG. 8 is a front view of another configuration of the present application;

FIG. 9 is a partial cross-sectional view of the connection of the buckling rod and the second upright post.

In the figure: A. a buckling cavity; 1. a column; 11. the first upright post and the second upright post are 12; 2. grid groove, 21, upper partition plate; 22. a lower partition plate; 3. a protective band; 31. a protective sleeve; 311. a rib; 32. a fibrous inner core; 321. a first fibrous layer; 322. a second fibrous layer; 33. performing hitching and knotting; 34. a collar; 35. a protective band body; 4. a connecting assembly; 41. a fixing plate; 411. mounting holes; 42. a clamping lever; 421. a buckling section; 422. a clamping section; 423. a fixed section; 43. a buckling rod; 431. a fastener; 432. a sleeve; 5. a seat cap; 51. and (4) hanging hooks.

Detailed Description

The present application will be further described with reference to the drawings and the detailed description, wherein the references to "left", "right", etc. refer to fig. 1:

the fiber reinforced composite material guardrail of the embodiment, as shown in fig. 1, includes a first upright post 11, a second upright post 12, a guard band 3 and a connecting assembly 4, wherein the guard band 3 includes a collar 34, a hitch 33 and a guard band main body 35, the collar 34 is of an annular structure, and the collar 34 can be formed by: the end part of the protective belt 3 is coiled and bent along the arc surface of the upright post 1 (at the moment, the upright post 1 is of a cylindrical structure) or along the aspect (at the moment, the upright post 1 is of a square tube structure) and then is tightly attached and superposed on the protective belt 3 at the front section, so that a lantern ring 34 can be formed at the end part of the protective belt 3, the lantern ring 33 is sleeved between the upright post I11 and the upright post II 12, and the distance between the upright post I11 and the upright post II 12 is not; the hitch 34 is positioned between the guard band body 35 and the collar 33; the protective belt body 35 is provided with a connecting assembly 4, the connecting assembly 4 comprises a fixing plate 41 and a clamping rod 42, the clamping rod 42 comprises a long end and a short end, the short end is buckled on the fixing plate 41, the long end is fixed on the fixing plate 41, and the protective belt body 35 is clamped between the clamping rod 42 and the fixing plate 41.

According to the safety protection guard rail, the upright post 1 is provided with the first upright post 11 and the second upright post 12, the end part of the protection belt 3 is provided with the complete ring structure, and the complete ring structure is directly sleeved between the first upright post 11 and the second upright post 12, so that the safety protection guard rail is convenient to install, the overall flexibility of the end part structure of the guard rail is improved, the end part structure is used as an accident-prone area, and the direct collision probability of a vehicle and the upright posts is reduced; the special structure of coupling assembling 4 sets up, gives the guard band 3 and is connected with 1 semi-movable of stand, promptly: both ends of the clamping rod 42 are connected with the fixed plate 41 during non-strong collision, and the protective belt 3 is positioned between the clamping rod 42 and the fixed plate 41 and is in a fastening state; when a violent impact is applied, the clamping rod 42 at one end of the buckled connection is separated from the fixing plate 41, a larger space is provided for the deformation of the protective belt 3, the vehicle is guided to move along the protective belt (see the going direction II in fig. 7; the coming direction takes the angle between the vehicle running direction and the protective guard as 20 degrees, 10t and 60 km/h as examples) instead of reversely impacting into other lanes in the reflection direction (see the going direction I in fig. 7; the coming direction takes the angle between the vehicle running direction and the protective guard as 20 degrees, 10t and 60 km/h as examples), the phenomena of tail flicking and flying out of the vehicle are avoided, and the safety is higher.

On the basis of the above solution, the clamping rod 42 can adopt the following structure: referring to fig. 2, the fixing plate 41 has at least three sets of mounting holes 411 matching with the clamping rods 42; with reference to fig. 3, the clamping rod 42 includes a fastening section 421, a clamping section 422 and a fixing section 423 which are connected in sequence, the clamping section 422 is connected between the fastening section 421 and the fixing section 423, the fastening section 421 is a short end, the short end is fastened at the mounting hole, and is movably connected with the fixing plate 41 in a fastening manner, the fixing section 423 is a long end, the end can be provided with a thread, and the screwing-in mounting hole is fixedly connected with the fixing plate 41. The clamping section 422 can be connected to the ends of the fastening section 421 and the fixing section 423 (at this time, the clamping rod is of an L-shaped structure) as shown in fig. 3, or can be connected to a certain point on the fastening section 421 and the fixing section 423 (at this time, the clamping rod is of an H-shaped structure and is not shown in the drawing), the characteristic structure is arranged to allow the clamping rod 42 to be installed in a semi-movable manner, and the connection of different positions of the clamping section 422 can also meet the installation of the protective belts 3 with different thicknesses.

On the basis of the above scheme, the connecting assembly 4 can be arranged in the following manner: at least more than two connecting assemblies are arranged along the length direction of the protective belt main body 35, as shown in fig. 1, three connecting assemblies 4 are arranged on each protective belt 3, the protective belt 3 has huge impact force when being impacted by a vehicle, the superposed position of the end parts of the protective belt 3 can receive huge pulling force, and the end parts of the protective belt 3 can be more reliably fixed by the multi-connecting structure.

On the basis of the scheme, the first upright post and the second upright post can be additionally arranged as follows: referring to fig. 1, the first upright post 11 and the second upright post 12 are respectively provided with a grid groove 2, and the depth of the grid groove 2 is greater than the thickness of the guard band 3. More preferably, be provided with on the stand 1 lateral wall and separate dish 21 and separate dish 22 down, go up separate dish 21, separate dish 22 down and stand 1 between the two forms grid 2, be provided with upper and lower separate dish on the upper and lower side of protective zone 3, upper and lower separate dish constitutes grid 2, enables protective zone 3 and can effectively fix a position in fixed position, prevents to appear protective zone 3 and gliding naturally or play from top to bottom when receiving the striking on stand 1 and lead to the not good problem of anticollision effect.

On the basis of the scheme, the distance between the first upright post 11 and the second upright post 12 is set as follows: the distance between the first upright post 11 and the second upright post 12 is 2-4m, and a distance of 3m is preferably adopted. The distance between the first upright post 11 and the second upright post 12 is controlled on the premise of the installation stability of the integral protective guard, so that the column density is effectively reduced, and the rigid direct impact between a vehicle and the upright posts is reduced.

On the basis of the above scheme, the applicant has made further studies on the number of guard bands 3 and determined that a more preferable arrangement of guard bands is as follows: at least more than three groups of protective belts 3 are arranged along the height direction of the upright post 1 to increase the protective area and deal with the possible impacts of various vehicles.

As shown in fig. 4 to 6, the protective tape 3 includes a fiber core 32 and a protective sheath 31 covering the fiber core 32, wherein the protective sheath 31 mainly comprises PVC resin; the outer wall of the protective sleeve 31 is provided with a plurality of convex edges 311 along the length direction of the protective belt 3, so that the friction force is increased and the impact energy is effectively absorbed; the fiber core 32 is formed by laying or weaving a plurality of fibers along the length direction of the protective belt.

If desired, the fiber core 32 may be a first fiber layer 321 and a second fiber layer 322 stacked one on top of the other, thereby increasing the number of fibers to meet the overall strength requirements of the inner fiber layer. The best state is that the single fiber layer composed of a plurality of fibers can meet the target strength requirement, the fiber inner core 32 is a polyester filament fiber layer, the tensile strength of single fiber is not less than 900MPa, the breaking strength is more than 8.0cN/dtex, the protective sleeve 31 is a thermoplastic resin layer, especially a PVC resin layer, or a modified PVC resin layer with flame retardant and anti-aging functions, and the tensile strength is not less than 30 MPa.

On the basis of the above example, we also provide an alternative implementation:

a fiber reinforced composite material guardrail combines figures 8 and 9, and comprises a first upright post 11, a second upright post 12, a protective belt 3 and a connecting assembly 4, wherein one end of the protective belt 3 facing the first upright post 11 is provided with a lantern ring (not marked in the figures, the structure of the protective belt can refer to figure 1), the lantern ring is sleeved on the first upright post 11, the protective belt 3 between the lantern ring and the second upright post 12 is provided with the connecting assembly 4, the connecting assembly 4 comprises a fixing plate 41 and a clamping rod 42, the clamping rod 42 can refer to the structure of the embodiment and comprises a long end and a short end, the short end is buckled with the fixing plate 41, the long end is fixedly connected with the fixing plate 41, and the protective belt 3 is clamped between the clamping rod 42 and the fixing plate 41; the distance between the first upright post 11 and the second upright post 12 is not less than 2 m; the second upright post 12 is provided with a buckling rod 43, one end of the buckling rod 43 is movably buckled on the second upright post 12, the other end of the buckling rod 43 is fixed on the second upright post 12, and a buckling cavity A for accommodating the protective belt is formed between the buckling rod 43 and the second upright post 12.

With reference to fig. 9, the fixing end of the fastening rod 43 and the second upright 12 penetrates through the second upright 12 and is fixed to the sidewall of the second upright 12 by the fastening member 431, and in order to prevent the fastening member 431 from being affected by external force, a sleeve 432 may be further disposed outside the fastening member 431 to protect the fastening member 431; a seat cap 5 is arranged at the top of the second upright post 12, a hook 51 is arranged between the seat cap 5 and the buckling rod positioned in the second upright post 12, one end of the hook 51 is fixed with the seat cap 5, and the other end is buckled on the buckling rod 43 in a hanging manner.

The protective belt 3 comprises a fiber inner core 32 and a protective sleeve 31 coated outside the fiber inner core 32, wherein the protective sleeve 31 mainly comprises PVC resin; the outer wall of the protective sleeve 31 is provided with a plurality of convex edges 311 along the length direction of the protective belt 3, so that the friction force is increased and the impact energy is effectively absorbed; the fiber core 32 is formed by laying or weaving a plurality of fibers along the length direction of the protective belt.

If desired, the fiber core 32 may be a first fiber layer 321 and a second fiber layer 322 stacked one on top of the other, thereby increasing the number of fibers to meet the overall strength requirements of the inner fiber layer. The best state is that the single fiber layer composed of a plurality of fibers can meet the target strength requirement, the fiber inner core 32 is a polyester filament fiber layer, the tensile strength of single fiber is not less than 900MPa, the breaking strength is more than 8.0cN/dtex, the protective sleeve 31 is a thermoplastic resin layer, especially a PVC resin layer, or a modified PVC resin layer with flame retardant and anti-aging functions, and the tensile strength is not less than 30 MPa.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. The utility model provides a fiber reinforced composite guardrail, includes stand one, stand two, protecting band and coupling assembling, its characterized in that: the protective belt comprises a lantern ring, a sleeve knot and a protective belt main body, the lantern ring is of an annular structure and is positioned at the end part of the protective belt, the lantern ring is sleeved between the first upright post and the second upright post, and the distance between the first upright post and the second upright post is not less than 2 m; the sleeve joint is positioned between the protective belt main body and the sleeve ring; be provided with coupling assembling in the guard band main part, coupling assembling includes fixed plate and clamping rod, and clamping rod includes long end and short end, and short end and fixed plate lock installation, long end and fixed plate fixed connection, the centre gripping of guard band main part is between clamping rod and fixed plate.

2. The fiber reinforced composite fence of claim 1 wherein: the clamping rod comprises a buckling section, a clamping section and a fixing section which are connected in sequence, the clamping section is connected between the buckling section and the fixing section, the buckling section is movably connected with the fixing plate in a buckling mode, and the fixing section is fixedly connected with the fixing plate.

3. The fiber reinforced composite fence of claim 1 wherein: and grid grooves are respectively formed in the first upright post and the second upright post, and the depth of each grid groove is greater than the thickness of the protective belt.

4. The fiber reinforced composite fence of claim 1 wherein: the distance between the first upright post and the second upright post is 2-4 m.

5. The fiber reinforced composite fence of claim 1 wherein: the protective belt comprises a fiber inner core and a protective sleeve coated outside the fiber inner core, and the main component of the protective sleeve is PVC resin.

6. The fiber reinforced composite fence of claim 5 wherein: the protective sheath outer wall is equipped with a plurality of beads along protective band length direction.

7. The fiber reinforced composite fence of claim 5 wherein: the fiber inner core is formed by tiling or weaving a plurality of fibers along the length direction of the protective belt.

8. The utility model provides a fiber reinforced composite guardrail, includes stand one, stand two, protecting band and coupling assembling, its characterized in that: the protective belt is characterized in that one end of the protective belt facing the first upright post is provided with a lantern ring, the lantern ring is sleeved on the first upright post, a connecting assembly is arranged on the protective belt between the lantern ring and the second upright post and comprises a fixing plate and a clamping rod, the clamping rod comprises a long end and a short end, the short end is buckled with the fixing plate, the long end is fixedly connected with the fixing plate, and a protective belt main body is clamped between the clamping rod and the fixing plate; the distance between the first upright post and the second upright post is not less than 2 m; and a buckling rod is arranged on the second stand column, one end of the buckling rod is movably buckled on the second stand column, the other end of the buckling rod is fixed on the second stand column, and a buckling cavity for accommodating the protective belt is formed between the buckling rod and the second stand column.

9. The fiber reinforced composite fence of claim 8 wherein: the fixed ends of the buckling rod and the second upright column penetrate through the second upright column, a seat cap is arranged at the top of the second upright column, a hook is arranged between the seat cap and the buckling rod located in the second upright column, one end of the hook is fixed with the seat cap, and the other end of the hook is hung and buckled on the buckling rod.

10. The fiber reinforced composite fence of claim 8 wherein: the protective belt comprises a fiber inner core and a protective sleeve coated outside the fiber inner core; the fiber inner core is formed by tiling or weaving a plurality of fibers along the length direction of the protective belt; the main component of the protective sleeve is PVC resin.

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